Multioil stone



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June 26, 1951 w. D. TEAGUE ETAL 2,558,325

MULTIOILSTONE Filed May 5, 1949 3 Sheets-Sheet 3 Patented June 26, r1951 MULTIOILSTONE Walter Dorwin Teague, Annandale, N. J., and Gordon M. Peltz, Kew Gardens, and Carl W. Hubbinette, Troy, N. Y., assignors to Behr- Manning Corporation, Troy, N. Y., a corporation of Massachusetts Application May 5, 1949, Serial No. 91,558

15 Claims.

The present invention relates to an oilstone sharpening apparatus and constitutes a modification of and an improvement upon devices of the kind shown in the prior Patent No. 1,946,968, F. E. Gallagher, February 13, 1934. Reference is made to that patent for an explanation of the objects, advantages, and eld of usefulness of such devices.

The primary object of the present invention is to simplify the construction and to reduce the cost of manufacture of oilstone sharpening devices, as compared with the construction shown in the above'mentioned patent, without sacrificing any of the advantageous features thereof.

A further object of the invention is to provide improved and simplified means for preventing movement, longitudinally, transversely and rotationally, of the oilstone holder, relative to the base containing the oil reservoir.

A further object of the invention is to provide an improved form of base, particularly adapted to be cast or molded from plastic material, such assynthetic resin molding compositions.

Another object is to provide an oilstone sharpening apparatus, in which the oilstone holder may be rotated from one position to another, to bring one of a plurality of oilstones to the working position, in a most expeditious manner and in which the holder may be quickly and simply locked in position, against inadvertent relative movement with respect to the base.

Another object is to provide a construction which permits the above mentioned manipulation by the use of only one hand of the operator.

Other and further objects and advantages of the invention will be apparent from a consideration of the following description of the embodiments described below and shown for purposes of illustration lin the accompanying drawings, in which Figure l is a plan View of the base and holder,

and a fragmentary portion of the cover;

Figure 2 is a longitudinal section on line 2--2 of Figure 1;

Figure 3 is a transverse section on line 3-3 of Figure 1;

Figure 4 is a similar section on line 4-4 of Figure 1;

ment of a locking connection between the base and holder;

Figure 9 is a similar View, taken substantially on line 9-9 of Figure '7, showing the other element;

Figure 10 is a view similar to Figure 4, of a third modification;

Figure 1l is an end View of the stone supporting block in accordance With this modification, and

Figure 12 is a vertical section and side elevation, showing the cooperative relation of the locking members shown in Figures l0 and 11.

The base I0 is preferably formed of molded or cast plastic material and comprises exterior, downwardly extending side walls II and I2 and similar end walls I3 and I4, the latter being extended upwardly to the plane I5, above the upper edge I6 of the side walls. The upwardly extending end walls I3 and I4 are bifurcated or provided with upwardly opening, central slots I'Iv and I8, for the reception of the shaft of the oil-l stone holder, as hereinafter explained.

The side and end walls of the base are integral with interior reservoir-dening walls, including curved side and bottom surfaces 20 and inwardly y and downwardly sloping end walls 2| and 22. Secured to the inclined end face 2|, by countersunk screws 23 or the like, is a U-shaped cam or wedge element 24, having its legs extending upwardly in straddling relation to the slot I l.

The other end face 22 of the reservoir has formed thereon a pair of inwardly projecting bosses 25 and 26, upon the upper surface of 'which there is secured, by screws 21 or the like, an upwardly extending, locking member 28, having an upwardly opening central slot 29 therein. Each of the upwardly extending legs 30 and 3I of the member 28 has a downwardly and outwardly inclined, overhanging or undercut abutment surface 32, 33, for purposes hereinafter explained.

The oilstone holder comprises a central shaft 35, upon which a plurality of stone carrying blocks 3G, 3l, and 38 are mounted, by means of appropriate set screws, dowel pins or the like.

The end blocks 36 and 3l may be substantially identical, to reduce the cost of production, but they are assembled on the shaft, differently, to cooperate in different manners with the adjacent end surfaces of the base. Each of these blocks is of generally triangular form in elevation,

except that the apices or corners are cut away,

providing three elongated plane edge faces 39,

40, and 4I, and three relatively short plane edge faces 42, 43, and 44. One vertical end grees of coarseness may be secured to the edge faces of the blocks 3S, 31, and :it by clamping strips 58, 59, and Se, by means of screws 5I having their heads countersunk therein and their Shanks extending into tapped bores 52 in the small edge faces 42, 43, and d4 and in the corresponding faces of the center block. Spacer collars 63 may be interposed between the strips and the blocks, to pre-vent the strips from being drawn inwardly so tightly as to damage the edges of the oilstones.

Handles 65 and S6 may be secured to the ends of the shaft 35 by set screws 4or the like. Preferably, the handles are triangular in shape, to correspond to the triangular assembly of the stones on the holder. Y

A cover 61 has the lower edge of its downturned ends 'H and 12 and sides 13 and 1d supported in a rabbet 15, extending continuously around the inner surfaces of the side and end walls adjacent the upper edges thereof.

In the use of this form of the invention, when the parts are in the position shown in Figure 2, the holder is locked against inadvertent move ment relative to the base. The cam fol-lowing surface 45 of the end block 36 is resting upon the cam plate 213, with the result that the holder as a whole is urged toward the opposite end of the base, by a wedging or camming action, due to the inclination of the plate and the influence of gravity. The other end block .'51 has its upper edge or corner disposed in contact with the inclined, undercut or overhanging abutment surfaces 32 and 33 of the locking member 2i?. Hence, rotation of the holder as a whole is prevented. Similarly, longitudinal and transverse movement of the holder is prevented by the wedging action and by reason of the fact that the spherical surface i6 tends to center itself in the U-shaped cam plate 24.

When it is desired tc bring another stone to the uppermost position, the operator simply lifts the right-hand handle t5, moves the holder as a whole slightly to the right, to free the block 31 from the abutment surfaces 32 and 33, and rotates the holde-r. The shaft 35 turns readily in the bottom of the slot 29 of the locking member 2B. Hence, it is unnecessary to lift both ends of the holder. After the desired stone has been raised, the right-.hand handle is lowered, whereupon the holder is automatically urged toward the left, the stone is brought to accurately aligned horizontal position by the engagement of the abutment surfaces 32 and 3S with the now uppermost edge or corner of the block 31 and the parts are locked.

Of course, the reservoir is kept substantially filled with oil, so that the stones are flushed of abraded matter and are supplied with lubricant byimmersing them in the oil, as explained in theabove identified patent.

In the modification shown in Figures 7, 8, and 9, a different forni of locking interconnection is carries a forwardly projecting rib 80, having tapering side faces 82 and 83. The end block 31a, mounted on the central shaft 35a may be substantially identical to the block 31, except that in its outer, vertical end face, it is provided with three Vradially extending :slots 84, S85, and 86,'each of which is adapted to receive and embrace the rib 89, when in the downwardly extending position, as indicated in Figure 7. The inclined side faces of the rib wedge themselves against the corners .of the groove, as the holder is urged toward the left, as previously explained, by a cam at the right-hand end.

In the form of the invention shown in Figures l0, 1l, and l2, the inwardly projecting bosses 25h and 25h support a locking member 28h having a pair of upwardly extending legs 9D and 9 4, shaped at their upper ends to provide laterally and inwardly turned abutment hooks 92 and 93. The inside sur-faces of vthe legs and the hooked ends define a socket 94, which .may taper somewhat toward the adjacent, upstand'ing end Wall Mb `of the base. Surfaces S5, 96 .converge downwardly and meet at a central 'line of junction 91. Hence, the socket or recess 94 is .gen-

erally triangular in shape, with the apex Bl pointing downwardly.

The .stone supporting block Sl'b may he quite generally pyramidal in .configuration .and in` clude's three elongated, substantially plane side faces S8 Aand three corner faces B9, joining a substantially spherical end 4face 10D, having three laterally extended ,portions lill., in alignment with the corner faces 99,

In use, the inclined, wedge or cam surface at.

the opposite end of the base (not shown) urges the projecting end of the stone supporting block 31h into the socket 96 in the locking'member 2.81),

as shown in Figure 12, with one of .the corners thereof seated in the bottom `9S? of the socket .and with the overhanging ends or abutment hooks .92 and 9'3 engaging the edge of the uppermost side face 9B. Hence, rotation of the stone holder is prevented. When the opposite end is lifted, however, and the holder shifted toward the right (Figure 12) the shaft 35h of the holder will be supported by the bottom |8b of the slot in the end wall Sie of the base. Hence., the holder may be rotated in the same manner and for the same 'f' purposes as previously described.

The invention is not limited to the .details of construction shown in the accompanying drawings of three preferred embodiments of .the inan abrasive stone holder, and a plurality of stones.

tudinally toward the other end of the base,ran`dA connecting means between the other end of the holder and said other end of said base, rendered effective by longitudinal movement of the holder inY said direction and preventing relative movement between the two when the holder is so moved.

2. A sharpening apparatus comprising a base having an oil reservoir formed therein, an oilstone holder, and a plurality of oilstones mounted thereon, said base having a downwardly and inwardly inclined interior surface adjacent one end thereof, engageable under the force of gravity by an adjacent end surface of said holder and tending to move the holder longitudinally toward the other end of the base, and an overhanging abutment at the last mentioned end of the base positioned to be engaged by the other end of the holder when the latter is so moved and preventing relative movement between the two when th holder is so urged.

l 3. A sharpening apparatus comprising a base having a reservoir formed therein, an oilstone holder and a plurality of oilstones mounted thereon, said base having slotted, upwardly projecting end walls at both of its ends, a downwardly and inwardly inclined interior surface adjacent one end thereof, and a pair of overhanging abutment surfaces disposed on opposite sides of the slot at the other end thereof, said holder comprising a shaft adapted to be received in said slots, means on the shaft for supporting a plurality of oilstones in angular relation parallel to the shaft, a surface at one end of the holder engageable under the force of gravity with said inclined surface to move the holder longitudinally of the base toward the other end thereof, and a surface at the other end engageable with said overhanging abutment surfaces when the holder is so moved and preventing relative movement between the holder and the base.

4. A sharpening apparatus comprising a base having an oil reservoir formed therein, an oilstone holder, and a plurality of oilstones mounted thereon, said base having a downwardly and inwardly inclined interior surface adjacent one end thereof, engageabl-e under the influence of gravity by an adjacent end surface of said holder and tending to move the latter longitudinally toward the other end of the base, and a rib and groove connection between the other end of the holder and said base preventing relative movement between the two when the holder is so moved.

5. A sharpening apparatus comprising a base having an oil reservoir formed therein, an oilstone holder, and a plurality of oilstones mounted thereon, said base having a downwardly and inwardly inclined interior surface adjacent one end thereof, engageable under the force of gravity by an adjacent end surface of said holder and tending to move th-e latter longitudinally toward the other end of the base, a rib projecting inwardly into the reservoir from the other end of the same, and means at the other end of the holder defining a plurality of grooves adapted to embrace said rib to prevent relative movement between the holder in the reservoir when the holder is so moved.

6. A sharpening apparatus comprising a base having an oil reservoir formed therein and having upwardly projecting, centrally slotted end walls, a downwardly and inwardly inclined cam surface at one end and an angular, transverse abutment at the other end, and an oilstone holder having shaft extensions at opposite ends receivable in the slots in the ends of the base, a cam following surface engageable under the force of gravity with said inclined surface to move the holder toward the other end of the base, and a locking surface at the other end of the holder engageable j with said transverse abutment of the base when the holder is so moved to prevent rotation of the holder relative to the base.

7. An oilstone sharpening apparatus. comprising a unitary base shaped to provide an upwardly facing oil reservoir and having vertically slotted end walls projecting upwardly beyond the side walls thereof, one of said end walls having a downwardly and inwardly inclined inner surface, a locking member carried by the other end wall having a slot aligned with the slot therein and a transverse abutment surface on the inner face thereof, and an oilstone holder comprising shaft extensions at both ends receivable in the end wall slots, a cam follower carried by one shaft extension engageable under the force of gravity with said inclined surface to move the holder toward the opposite end of the base and a locking member carried by the second shaft extension engageable with the abutment surface on the ilrst mentioned locking member when so moved, the locking members being releasable when the first shaft extension is raised and shifted in the other direction, and the holder being rotatable while the second shaft extension is supported on the bottom of the slot of the rst mentioned. locking member.

8. An apparatus in accordance with claim 7 in which the first mentioned locking member has a pair of inwardly projecting, overhanging, in-

clined abutment surfaces and in which the lool:-I

ing member on the holder has a plurality of edge surfaces selectively engageable thereunder.

9. An apparatus in accordance with claim '7 in which the abutment surfaces on the rst mentioned locking member are constituted by a prof jecting rib and in which the cooperating surfaces on the other locking member are constituted by a plurality of grooves extending radially from the shaft extension and selectively engageable with said rib.

10. An apparatus in accordance with claim 7 in which the cam following surface is formed on the end face of an oilstone supporting block and in which the abutment surfaces on the second mentioned locking member are formed on another oilstone supporting block.

11. An oilstone sharpening apparatus comprising a base shaped to provide an upwardly facing oil reservoir and having an upwardly facing slot at one end and a downwardly and inwardly inclined, cam surface adjacent said slot, an upwardly opening slot adjacent the other end and a transverse abutment surface adjacent the last mentioned slot, and an oilstone holder having a shaft extension at one end receivable in the first slot, a cam following surface seated under the force of gravity upon the adjacent inclined surface and forcing the holder toward the other end of the base, a shaft extension at the other end of the holder seated in the bottom of the second slot, and a transverse abutment surface at the last mentioned end of the holder held in engagement with said abutment surface on the base by the force of the cam and cam follower, the last mentioned shaft extension being supported for rotation in the bottom of the second slot when the other shaft extension is lifted and the abutment surfaces are disengaged by endwise movement of the holder.

12. A sharpening apparatus comprising a base having an upwardly facing oil reservoir formed therein, an oilstone holder and a plurality of oilstones mounted thereon, said base having at one end thereof surfaces forming an inwardly facing 7, non-circular socket, said oilstone. holder having` at the adjacent end, a noncircular outward. projection adapted to enter the socket by endwise movement of the holder and having surfaces engageable with the surfaces of the socket to pre,- vent upward and rotational movement of said end of thev holder, and interengaging surfaces at the other end of the holder and the base, permitting'Y lifting movement of the holder at that end, but preventing endwise withdrawal of said projection from said socket when the last mentioned end of V the holder is in the lowered position.

faces of the socket to prevent upward and rotational movement of said end of the holder, the other end ofV the base having a downwardly` inclined interior surface and the other end of the holdery having a surface engageable therewith to urge the i'lrst mentioned end of the holder longitudinally toward the socket.

14. An oilstone holder comprising a longitudinally extending shaft, a pluralityv of blocks carried by said shaft in longitudinally spaced relation, each of said blocks having a plurality of transversely elongated, angularly disposed seating surfaces on its edges and additional corner surfaces of less length therebetween, a corresponding number of longitudinally extending oil stones disposed upon said seating surfaces, a plurality of longitudinally elongated clamping ,strips having their opposite edges in engagement with the longitudinal side edges of adjacent oilstones, and means connecting said strips to said corner surfaces for drawing the strips inwardly to clamp the stones upon the seating surfaces.

15. An oilstone holder comprising a longitudi-v nally extending shaft, a plurality of blocks carried by said shaft in longitudinally spaced relation, each of said blocks having three transversely' elongated, triangularly disposed seating surfaces and intermediate, truncated corner surfaces therebetween, three longitudinally extending, angularly arranged oilstones disposed upon said seating surfaces, three longitudinally elongated clamping strips having their opposite edges in engagement with the longitudinal side edges of adjacent oilstones inwardly of the outer faces thereof, and a plurality of screws extending through said strips and connected to said corner surfaces for drawing the strips inwardly to clamp the stones upon the seating surfaces.

WALTER DORWIN TEAGUE. GORDON M. PELTZ. CARL W. HUBBINETTE.

REFERENCES CITED The following references are of record in the le of this patent:

UNITED STATES PATENTS Number Name.V Date 1,914,660 Amis June 20, 1933 1,946,968 Gallagher Feb. 13, 1934 1,998,259 Sorensen Apr. 16, 1935 2,114,410 Walkery 1 Apr. 17, 1938 

